SVN check should use the command-line options
SVN check should use the command-line options

Using svn_call() instead of svn_binary() method, so that command
arguments defined at plugin level are used in svn_check().

Fixes #81

make-all/source-integration,morgant/source-integration,dregad/source-integration,mantisbt-plugins/source-integration,bright-tools/source-integration,dregad/source-integration,morgant/source-integration,dregad/source-integration,bright-tools/source-integration-fixes,bright-tools/source-integration,make-all/source-integration,mantisbt-plugins/source-integration,morgant/source-integration,bright-tools/source-integration,make-all/source-integration,bright-tools/source-integration-fixes,bright-tools/source-integration,mantisbt-plugins/source-integration,bright-tools/source-integration-fixes